Victor S. Sze - 24 Aug 2026 Form 4 Insider Report for OSI SYSTEMS INC (OSIS)

Reporting relationship: GENERAL COUNSEL
Issuer ticker: OSIS
Reported as of: 24 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Aug 2026, 12:20:32 UTC
Prior SEC filing: 04 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Victor Sze

Key filing fact

Victor S. Sze filed Form 4 for OSI SYSTEMS INC (OSIS) on 26 Aug 2026.

Key facts

This page summarizes Victor S. Sze's Form 4 filing for OSI SYSTEMS INC (OSIS).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 26 Aug 2026, 12:20.

Change

Previous filing in this sequence was filed on 04 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001286090 Primary reporting owner

SZE VICTOR S

Relationship: GENERAL COUNSEL
Address: 12525 CHADRON AVE, HAWTHORNE
Signature: /s/ Victor Sze
Signature date: 26 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OSIS transaction

Common Stock

Award

Transaction value
Shares: +16,845
Change %: +18%
Price: $206.73^*
Shares after: 110,606
Date: 24 Aug 2026
Ownership: Direct
Footnotes: F1

OSIS transaction

Common Stock

Tax liability

Transaction value
Shares: -14,999
Change %: -14%
Price: $206.73^*
Shares after: 95,607
Date: 24 Aug 2026
Ownership: Direct
Footnotes: F2

OSIS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,388
Date: 24 Aug 2026
Ownership: Please see footnote
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

RSUs are issued pursuant to performance based vesting.

Footnote F2

Pursuant to a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Footnote F3

Victor So-Mien Sze & Angela Hsin-Chi Hsu Co-ttee Sze Trust U/T/A DTD 11/25/2014

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